8821168445 has 8 divisors (see below), whose sum is σ = 10810623744. Its totient is φ = 6906787024.

The previous prime is 8821168429. The next prime is 8821168463. The reversal of 8821168445 is 5448611288.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8821168445 - 2⁴ = 8821168429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8821168445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18768209 + ... + 18768678.

It is an arithmetic number, because the mean of its divisors is an integer number (1351327968).

Almost surely, 2^8821168445 is an apocalyptic number.

It is an amenable number.

8821168445 is a deficient number, since it is larger than the sum of its proper divisors (1989455299).

8821168445 is a wasteful number, since it uses less digits than its factorization.

8821168445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37536939.

The product of its digits is 491520, while the sum is 47.

The square root of 8821168445 is about 93921.0756167113. The cubic root of 8821168445 is about 2066.2143420276.

The spelling of 8821168445 in words is "eight billion, eight hundred twenty-one million, one hundred sixty-eight thousand, four hundred forty-five".